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  • Redispatch Cost
  • Congestion Relief Offers

  • Business Practices, Waivers and Exemptions
    MATL Transmission Service Business Practices v3_4
    MATL Transmission Service Business Practices 3.2
    MATL Transmission Service Business Practices v3_3
    MATL Transmission Service Business Practices_v3-1
    MATL Montana Line Loss Procedures
    MATL 814 - Line Loss In Alberta
    MATL 816 - Scheduling Guide for E-tags
    MATL 817 - PCM Attributes
  • Notice of Waivers

  • ATC Information
    ATCID
    CBM Procedure
    Transfer Capability
    TRMID
    Load Forecast Methodology
    Postback Methodology
    Attachment C (ATC Calculation)
    Attachment C - ATC Algorithm
  • ATC Methodology Contact

  • ATC Change Narrative

  • Actual and Forecast Postings

  • Tariff
    MATL OATT
    Order 1000 Filings
    ER18-62 NTTG Att K Filing
    ER16-1729 Table of Contents Tariff Filing
    ER16-2710 MATL NTTG Att K Filing
    ER16-778 NTTG Transition Filing
    ER16-778-001 NTTG Transition Filing
    ER16-778-002 NTTG Transition Filing
    ER16-970 NTTG Exh E Informational Filing
    ER13-836-005 Order 1000 Regional Compliance Filing
    ER13-836-004 Order 1000 Regional Compliance Filing
    ER13-836-003 Order 1000 Regional Compliance Filing
    ER13-836-002 MATL Order 1000 Regional Compliance Filing
    ER13-836-000 Order 1000 Regional Compliance Filing
    ER14-346-003 - O1K Interregional 2-18-15
    ER14-346-000 Filing - Order 1000 Interregional
    MATL Filings
    ER15-1428 - Operational Penalties
    ER15-1920-000 Attachment L
    ER15-478-000 NAESB Order 676-H Compliance Filing
    ER14-2522 Filing - Order 792 Compliance
    ER14-2533 Filing - Order 792 Tariff Revisions
    ER13-1370-000 OATT Revisions
    ER13-1370-001 OATT Revisions
    ER14-376 Filing - Order 764 Compliance
    ER14-376-001 Order 764 Errata Compliance Filing
    MATL ER17_1029_Filing
    MAT_TOC_Revisions_ER17_1396
    MATL_CGrid_Cancellation_ER17_1397
    MATL ER17_1397 Withdrawal
    MATL ER17_1434_CGrid Cancellation ReFiling
    MATL_ER17_1436_Concurrence Avista
    MATL ER17-1725 Creditworthiness Update
    MATL Auction Module
    ER14-1246 Schedule 7 Filing
    MATL Auction Report Aug 2015
    MATL Auction Report Aug 2016
    MATL Auction Report Feb 2017
    MATL Auction Webinar Feb 13, 2014
    MATL Auction Webinar 2 Apr 16, 2015
    MATL Feb 2016 Auction Report Transmittal
    Frequently Asked Questions
    MATL frequently Asked Questions
    Contact Information
    MATL Media Contact Information
    TranServ Contact Information
    Northern Tier Transmission Group
    Confidentiality Provisions
    Confidential Data Procedures Final 10 10 2017
    NTTF Confidentiality Agreement
    NTTG 2016
    2017 NTTG Q5 DRTP Updated Data Submission
    2017 NTTG Economic Study Request Announcement_FINAL
    2016-2017 NTTG Draft Regional Transmission Plan Stakeholder
    02 23 17 Western Planning Regions Coordination Meeting
    NTTG_Q4_Stakeholder_Meeting_Presentation_Dec_13_2016_Draft_FINAL_ver.2
    11 09 16 NTTG Planning Committee Agenda
    12 13 16 NTTG Q4 Stakeholder Meeting Agenda_Draft
    10 12 16 NTTG Planning Committee Agenda
    2016 NTTG Stakeholder Input on Change Case Selection Letter
    NTTG 2017
    Aug 28 2017 NTTG Steering Committee Agenda
    NTTG 2016-2017 Revised Draft FinalRegional Transmission Plan Stakeholder
    Aug 2 2017_NTTG Steering Committee Agenda_Final ver 4
    08 09 17_NTTG Plng Committee Agenda
    06 14 17_NTTG Plng Committee Agenda_Final
    06 29 17_NTTG Q6 Stakeholder Meeting Agenda_Final
    2016-2017 NTTG Draft FinalRegional Transmission Plan Report Stakeholder
    06 07 17 NTTG CAC Agenda Final
    06 29 17_NTTG Q6 Stakeholder Meeting Agenda_Draft ver2
    05 10 17_NTTG Plng Comittee Agenda Ver 2
    03 08 17_NTTG Plng Committee Agenda_Final
    04 12 17_NTTG Plng Committee Agenda FINAL
    02 08 17_NTTG Plng Committee Agenda_FINAL
    02 23 17 Western Planning Regions Coordination Updated Notice_02.07.17
    Feb_23_2017_Agenda
    Notice of Date Change for NTTG April 2017 Quarterly Stakeholder Meeting
    NTTG Stakeholder Meeting Notice_June 29 2017
    09 19 17_NTTG Q7 Stakeholder Meeting Agenda Final
    10 12 17_NTTG CAC Agenda_Final
    12 07 17_NTTG Q8 Stakeholder Meeting Agenda
    NTTG 2018
    Null
    OASIS Notices
  • Discretion

  • Personnel

  • Standards of Conduct

  • Waiver

  • Congestion Relief Offers

  • MATL Notice -Commencement of Short Term Transmission Service
    Commercial Operations Notice
    Updated Commercial Operations Notice
    Outages
    MATL Outage
    Customer Registration and Application Forms
    Form No. MATL - 806 MATL OATT New Customer Registration Form
    Transmission Service Agreements
    Long-Term TSR Purchase and Service Agreement - Attachment A
    Short-Term TSR Purchase and Service Agreement - Attachment B-1
    Non-Firm PTP Transmission Service Agreement-Attachment B-2
    Resale-Reassignment or Transfer of PTP Transmission Service Agreement-Attachment A-1
    Declaration forms
    Form No. MATL-807 Declaration by Transmission Customer (Shipper for Export from Canada)
    Form No. MATL-808 Declaration by Exporter (Exporting from USA)
    Form No. MATL-809 Declaration by Importer (Canada)
    Form No. MATL-813 Declaration of Exemption From Montana WET Tax
    Creditworthiness
    Creditworthiness Standards, eff 7/31/17
    Letter of Credit Template
    Transmission Rates
    2017 Schedule 10 Rates-Effective April 1, 2017
    2014 Schedule 10 Rates-Effective April 1 2014
    2015 Schedule 10 Rates-Effective April 1, 2015
    2016 Schedule 10 Rates-Effective April 1, 2016
    Economic Planning Studies
    Economic Project Proposal Information
    Generator Interconnection Information
    GI Queue
    MATL 303 - Interconnection Requirements
    List of Available Studies
    LGIP Information
    Large Generator Interconnection Information
    SGIP Information
    Small Generator Interconnection Information
    Transmission Planning
    Links Document
    CEII Information
    MATL CEII Information
    MATL CEII Procedures
    MATL CEII Request Form
    MATL CEII Non-Disclosure Agreement
    Data Modeling Requirements and Reporting
    MATL 904- Data Modeling Requirements and Reporting
    System Operating Limits Methodology
    SOL Methodology
    Planning Calendar
    Planning Calendar
    Auction Postings
    MATL Auction Results 2015
    MATL June/July 2015 Auction Results
    MATL Aug 2015 Auction Results
    MATL Sept 2015 Auction Results
    MATL Oct 2015 Auction Results
    MATL Nov 2015 Auction Results
    MATL Dec 2015 Auction Results
    MATL Auction Results 2016
    MATL Dec 2016 Auction Results
    MATL Nov 2016 Auction Results
    MATL April 2016 Auction Results
    MATL Aug 2016 Auction Results
    MATL Jan 2016 Auction Results
    MATL May 2016 Auction Results
    MATL Oct 2016 Auction Results
    MATL Sept 2016 Auction Results
    MATL Feb 2016 Auction Results
    MATL Mar 2016 Auction Results
    MATL Jun 2016 Auction Results
    MATL July 2016 Auction Results
    MATL Auction Results 2017
    MATL Jan 2017 Auction Results
    MATL Feb 2017 Auction Report
    MATL March 2017 Auction Report
    MATL Apr 2017 Auction Report
    Miscellaneous
  • MATL Homepage




  • MATL Forced Outage Update

    MATL is back to normal operation.

    Posted Date and Time: 11/23/2017 3:58 PM MT


    MATL Forced Outage

    MATL has been forced into radial connection to the NWMT system. Check back for updates.

    Posted Date and Time: 11/23/2017 1:48 PM MT


    MATL Forced Outage Update

    MATL is back to normal operation.

    Posted Date and Time: 11/23/2017 10:30 AM MT


    MATL Forced Outage

    MATL was forced into radial connection to the NWMT system. Please check back for updates.

    Posted Date and Time: 11/23/2017 08:10 AM MT


    MATL Pricing Update

    The southbound hourly non-firm pricing changed from $2.0/MW to $2.5/MW. The northbound hourly non-firm pricing remains at $2/MW. These changes are effective immediately.

    Posted Date and Time: 11/15/2017 12:30 PM MT


    MATL Forced Outage Update

    MATL is back to normal operation effective immediately.

    Posted Date and Time: 11/12/2017 01:25 PM MT


    MATL Forced Outage

    MALT has been forced into radial connection to the NWMT system. Please check back for updates.

    Posted Date and Time: 11/11/2017 09:21 PM MT


    MATL Forced Outage Update

    MATL is back to normal operation effective immediately.

    Posted Date and Time: 11/04/2017 01:40 PM MT


    MATL Forced Outage

    MATL experienced a forced event over night and it is now radially connected to the NWMT system. During radial operations, MATL will offer hourly non-firm, hourly firm and daily firm products at $2/MW for a hour, $2/MW for a hour and $48/MW for a day respectively. Check back for updates.

    Posted Date and Time: 10/30/2017 10:15 AM MT


    MATL Forced Outage Update

    MATL is back to normal operation effective 10/26/2017 at 10:10 AM MT

    Posted Date and Time: 10/30/2017 09:32 AM MT


    MATL Forced Outage Update

    MATL has been forced out of service due to a forced outage within the WECC system. Check back for further updates.

    Posted Date and Time: 10/26/2017 at 09:58 AM MST


    MATL Forced Outage Update

    MATL is back to normal operation effective immediately.

    Posted Date and Time: 10/25/2017 at 10:16 PM MST


    MATL Forced Outage Update

    MATL has been forced out of service due to the loss of the BC-AB tie line. Check back for further updates.

    Posted Date and Time: 10/25/2017 at 03:50 PM MST



    MATL Radial Connection Update

    MATL will be radially connected to the NWMT system October 20th, 2017 from 11:00 to 15:30 to align with the BC-AB tie line outage. During radial operations, MATL will offer hourly non-firm, hourly firm and daily firm products at $2/MW, $2/MW and $48/MW respectively. MATL is expected to return to normal operations on Oct 20th, 2017 at 15:30.

    Posted Date and Time: 10/19/2017 at 12:17 PM MST


    MATL Radial Connection

    MATL will be radially connected to the NWMT system October 20th, 2017 from 11:30 to 15:30 to align with the BC-AB tie line outage. During radial operations, MATL will offer hourly non-firm, hourly firm and daily firm products at $2/MW, $2/MW and $48/MW respectively. MATL is expected to return to normal operations on Oct 20th, 2017 at 15:30.

    Posted Date and Time: 10/19/2017 at 07:19 AM MST


    MATL Forced Outage Update

    MATL is back to normal operations.

    Posted Date and Time: 10/17/2017 at 06:05 PM MST


    MATL Forced Outage

    MATL is out of service due to a forced outage on the BC-AB tie line. Please check back for updates.

    Posted Date and Time: 10/17/2017 at 05:38 PM MST


    MATL Forced Outage Update

    MATL is back to normal operations.

    Posted Date and Time: 10/16/2017 at 06:04 PM MST


    MATL Forced Outage

    MATL is presently out of service due to a forced outage within WECC. There is no estimate of when MATL will be back in service at this time. Check back for updates.

    Posted Date and Time: 10/16/2017 at 05:26 PM MST


    MATL OASIS Notice

    MATL has posted an updated Business Practice document and is accepting comments on this Business Practice for 14 days. The Business Practice is located in the "Pending Business Practices " under the "Business Practices, Waivers, and Exemptions " folder on the left hand side of this OASIS page. These revised Business Practices revised Section 4.9.

    Posted Date and Time: 10/16/2017 at 02:30 PM MST


    MATL PRICING UPDATE

    MATL has recently changed floor pricing for all their products. Please explore confidential floor pricing in the Auction Module.

    Also, the hourly non-firm pricing has changed to $2.50/MW. These changes are effective immediately.

    Posted Date and Time: 10/16/2017 at 10:20 AM MST


    MATL forced event Update

    MATL is back to normal operations effective immediately.

    Posted Date and Time: 10/07/2017 at 12:34 AM MST


    MATL forced event

    Due to a forced event, MATL's northbound rating is 254 and MATL's southbound rating is 256. See OASIS for more updates.

    Posted Date and Time: 10/06/2017 at 08:16 PM MST


    MATL forced event - Update

    MATL is back to normal operations effective immediately.

    Posted Date and Time: 08/25/2017 at 05:27 PM MST


    MATL forced event

    MATL was recently put into radial connection due to a forced event. Check back for updates.

    Posted Date and Time: 08/24/2017 at 09:31 AM MST


    MATL forced event - Update

    MATL is back to normal operations effective immediately.

    Posted Date and Time: 07/13/2017 at 10:53 PM MST


    MATL forced event - Update

    Due to a forced event, MATL will be radially connected to the NWMT system. Check again for further updates..

    Posted Date and Time: 07/13/2017 at 12:15 PM MST


    MATL forced event - Update

    MATL is back to normal operations effective immediately.

    Posted Date and Time: 07/07/2017 at 1:20 PM MST


    MATL Forced event

    Due to a forced event, MATL will be radially connected to the NWMT system until further notice.

    Posted Date and Time: 07/06/2017 at 07:25 AM MST


    MATL OPP 904

    MATL has uploaded a new version of OPP 904 – Data for Power System Modeling and Analysis and Steady-State and Dynamic System Model Validation. The new version comes in to effect on June 30, 2017.

    Posted Date and Time: 06/23/2017 at 13:15 MST


    MATL Radial Connection

    MATL will be radially connected to the NWMT system from Sept 25th, 2017 at 08:00 to Oct 6th, 2017 at 19:00, continuously, to align with the BC-AB tie line outage. During radial operations, MATL will offer hourly non-firm, hourly firm and daily firm products at $2/MW, $2/MW and $48/MW respectively. MATL is expected to return to normal operations on Oct 6th, 2017 at 19:00.

    Posted Date and Time: 06/14/2017 at 10:15 MST


    MATL Planned Outage – Update

    MATL is back to normal operations effective immediately.

    Posted Date and Time: 06/13/2017 at 1:46 MST


    MATL Planned Outage – Update

    The MATL planned outage has been reduced to a one day outage, on June 12th, starting at 07:00 to 20:00, continuously. The entire MATL Interconnected System will be out of service during this timeframe. MATL is expected to return to normal operations on June 12th at 20:00. On June 13th, from 07:00 to 20:00, the MATL Interconnected System will have a reduced capacity of 254MW northbound and 256MW southbound. MATL is expected to return to normal operations on June 13th at 20:00.

    Posted Date and Time: 05/24/2017 at 9:43 MST


    MATL Planned Outage

    Path 83, from the MATL 120s to the Hay Lake substation, will be out of service starting on June 12th at 07:00 to June 16th at 18:00, continuously for annual maintenance. MATL will return to radial operation to the NWMT system during the evenings. During radial operations, MATL will offer hourly non-firm, hourly firm and daily firm products at $2/MW, $2/MW and $48/MW respectively. MATL is expected to return to normal operations on June 16th at 18:00.

    Posted Date and Time: 04/21/2017 at 7:21 MST


    MATL Forced Outage Update

    MATL is resuming normal operations effective immediately.

    Posted Date and Time: 04/5/2017 at 13:55 MST


    MATL Forced Outage

    A recent forced outage on the MATL Interconnected System has resulted in a reduced capacity both northbound and southbound. MATL will be restricted to 254MW northbound and 256MW southbound until further notice. This issue is being investigated and it is expected to be resolved soon. Please check back for further updates.

    Posted Date and Time: 04/5/2017 at 9:40 MST


    MATL OPP 811 Update

    MATL has updated OPP 811 – MATL Path 83 Transfer Capability with Seasonal SOL Effects version 2.4 and posted the document on the MATL OASIS website. The new version comes into effect March 31, 2017.

    Posted Date and Time: 03/27/2017 at 08:40 MST


    MATL Series Capacitors Update

    MATL's series capacitors are back in service. MATL is resuming normal operations.

    Posted Date and Time: 03/13/2017 at 07: 50 PM MST


    MATL Series Capacitors Update

    Testing at Rim Rock is ongoing. The MATL series capacitors will remain out of service until NaturEner completes their testing. Check back for further updates.

    Posted Date and Time: 03/13/2017 at 07: 04 PM MST


    MATL Series Capacitors Update

    There are some delays with the testing at Rim Rock. The series capacitors will be out of service until 17:00MST. Check back for further updates.

    Posted Date and Time: 03/13/2017 at 03: 20 PM MST


    MATL Series Capacitors

    MATL’s series capacitors will be out of service from 12:00 to 15:00 MST to facilitate testing being performed at the Rim Rock facility. During this time period, MATL’s capacity will be limited to 254MW northbound and 256MW southbound. MATL will resume normal operations once the series capacitors are back in service.

    Posted Date and Time: 03/13/2017 at 11:25 AM MST


    MATL OPP 805 Update

    MATL has updated OPP 805 – CBM Procedure to version 1.1 and posted the document on the MATL OASIS website. The new version comes into effect March 31, 2017.

    Posted Date and Time: 03/09/2017 at 02:52 PM MST


    MATL Schedule 10 Rate

    MATL’s revised Schedule 10 rate, to be effective April 1, 2017, is now posted in the Transmission Rates section.

    Posted Date and Time: 03/01/2017 at 12:02 PM MST


    MATL OASIS Notice

    MATL has posted an updated Business Practice document and is accepting comments on this Business Practice for 14 days. The Business Practice is located in the "Pending Business Practices " under the "Business Practices, Waivers, and Exemptions " folder on the left hand side of this OASIS page. These revised Business Practices make a cleanup edit in Section 10.4 and add Section 10.7 on approval of after-the-fact e-tags for reserve sharing events.

    Posted Date and Time: 03/01/2017 at 11:50 AM MST


    MATL UPDATE

    MATL’s prompt month product is discounted for a four-month period, March 2017 –June 2017. Explore confidential floor pricing and product availability in the Auction Module.

    Posted Date and Time: 01/25/2017 at 3:47 PM MST


    MATL – Radial Connection

    MATL will be radially connected to the NWMT system from March 17th at 07:30 to March 19th at 17:30 continuously to accommodate maintenance on the BC-AB tie line.

    Posted Date and Time: 01/20/2017 at 3:39 PM MST


    MATL – Series Capacitor Update

    MATL’s series capacitors at Hay Lake and Marias are now back in service. MATL’s northbound scheduling transfer limit at the CAN/US border is 310MW and the southbound scheduling transfer limit at the CAN/US border is now 315MW. These new limits are effective immediately.

    Posted Date and Time: 01/18/2017 at 01:08 PM MST


    MATL Outage

    MATL is back to normal operation.

    Posted Date and Time: 01/18/2017 at 09:23 AM MST


    MATL Outage

    MATL line has tripped and is in process of restoring. Notice will be posted when the line is back.

    Posted Date and Time: 01/18/2017 at 8:03 AM MST


    MATL Update

    MATL Returned to normal operation.

    Posted Date and Time: 01/16/2017 at 6:00 PM MST


    MATL Update For Southbound Schedules

    At 3 pm MPT the Reliability Coordinator instituted a mandatory limit of southbound schedules to a maximum of 180 MW. This limit is to remain in place until released by the RC.

    Posted Date and Time: 01/16/2017 at 03:38 PM MST


    MATL outage update

    MATL has returned to normal operation.

    Posted Date and Time: 01/15/2017 at 08:53PM MST


    MATL outage update

    MATL line is still in radial connection. Further updates will be posted.

    Posted Date and Time: 01/15/2017 at 07:50PM MST


    MATL OASIS UPDATE

    MATL will be returning to Normal Operations very shortly.

    Posted Date and Time: 12/29/2016 at 02:06PM MST


    MATL OASIS POSTING

    MATL will be out of service on Dec 29th from 07:00 AM to 16:00 PM MT.

    Posted Date and Time: 12/28/2016 at 03:02PM MST


    MATL Radial Connection Update

    The MATL radial connection has been rescheduled to Jan 13 – Jan 15, 2017 starting from 07:30 to 17:30 MT to accommodate a BC-AB tie line outage.

    Posted Date and Time: 12/14/2016 at 07:05 AM MPT


    MATL Radial Connection Update

    MATL will be in radial connection on Jan 10 to Jan 12, 2017 starting from 07:30 to 18:30 MT, to accommodate a BC-AB tie line outage. MATL will offer hourly non-firm, hourly firm and daily firm products during radial operation at $2/MW,$2/MW and $48/MW respectively. Regular scheduled auctions during this time will continue. After the maintenance is completed, then MATL will be back to normal operation.

    Posted Date and Time: 12/8/2016 at 09:15 AM MPT


    MATL Outage Update

    MATL has now resumed normal operations.

    Posted Date and Time: 12/7/2016 at 11:43 AM MPT


    MATL Outage Update

    MATL will be allowed to stay connected to the Alberta system during the outage on Dec 7th, 2016 from 08:00 to 14:30 MT. Energy will be allowed to be scheduled between AB.MT.MATL and WWA. The export TTC (out of Alberta) will be 5MW. The import TTC (into Alberta) will be 0MW. The TRM will be set at 5MW. Please contact Enbridge/TranServ if there are any problems purchasing transmission or scheduling energy during this timeframe. Once the outage is complete, MATL will return to normal operations.

    Posted Date and Time: 12/5/2016 at 12:26 PM MPT


    MATL Radial Connection

    MATL will be in radial connection on Jan. 10, 2017 starting from 07:30 to 19:30 MT. MATL will offer hourly non-firm, hourly firm and daily firm products during radial operation at $2/MW,$2/MW and $48/MW respectively. Regular scheduled auctions during this time will continue. After the maintenance is completed, then MATL will be back to normal operation.

    Posted Date and Time: 12/2/2016 at 14:15 PM MPT


    MATL Outage

    The MATL outage has now been re-scheduled to Dec7th, 2016 from 08:00 to 14:30 MT.

    Posted Date and Time: 12/2/2016 at 10:22 AM MPT


    Emergency MATL Outage

    MATL will be out of service on Dec 6th from 08:00 to 14:30 MT to accommodate emergency maintenance at the Great Falls substation. After the repairs have been completed, MATL will return to normal operations.

    Posted Date and Time: 12/1/2016 at 01:10 PM MPT


    MATL Radial Connection – Update

    MATL is now back in service and it is resuming normal operations

    Posted Date and Time: 11/03/2016 at 05:35 AM MPT


    MATL Radial Connection – Update

    MATL is scheduled to return to normal operation on Nov 3rd at 06:00 MT.

    Posted Date and Time: 11/02/2016 at 02:07 PM MPT


    MATL Radial Connection – Update

    The initial indication is that MATL will be in radial connection until Nov 9th. Check back again for more updates.

    Posted Date and Time: 11/02/2016 at 09:59 AM MPT


    MATL Radial Connection

    MATL is in radial connection because of issues on the BC-AB tie line. MATL will remain in radial connection until the BC-AB tie line is restored. Check back again for more updates.

    Posted Date and Time: 11/02/2016 at 08:36 AM MPT


    MATL Testing

    Starting on Nov 1st at 08:00 mountain time, testing will commence by NaturEner. From time to time, the MATL series capacitors at Hay Lake and Marias will be switched in and out of service. There will not be any changes to MATL’s TTC during times when the series capacitors are in service. MATL will continue to be in service during the testing. Testing is expected to be completed by Nov 23rd at 17:00 mountain time. MATL will continue normal operations during the test period.

    Posted Date and Time: 10/25/2016 at 15:00 PM MPT


    MATL Radial Connection

    MATL will be in radial connection on Oct 25th, 2016 from 08:00 to 10:00 MT to accommodate testing by NaturEner.

    Posted Date and Time: 10/22/2016 at 12:00 PM MPT


    MATL Update

    MATL’s prompt month product is discounted for a four-month period, November 2016 –February 2017. Explore confidential floor pricing and product availability in the Auction Module.

    Posted Date and Time: 09/27/2016 at 2:00 PM MPT


    MATL Update

    MATL has posted corrected auction results for the month of February 2016.

    Posted Date and Time: 09/20/2016 at 12:01 MPT


    MATL Update

    The BC-AB tie line is expected to be back in service on Sept 15th at approx. 18:00 MT. After the BC-AB tie line is back in service, MATL will return to normal operations. Please check back for any further updates.

    Posted Date and Time: 09/14/2016 at 04:46 MPT


    MATL Radial Connection – Update

    MATL will be in radial connection starting on Monday Sept 12 at 08:30 Mountain time. MATL is expected to be back to normal operations on Sunday Sept 18 at 18:00 Mountain time. MATL will remain in radial connection continuously during this period of time.

    Posted Date and Time: 09/09/2016 at 16:05 MPT


    MATL Radial Connection

    There is an increased chance of MATL tripping over the weekend, due to deficiencies on the BC-AB tie line. Additional work is required on the BC-AB tie line, expected to start on Monday Sept 12. MATL will run in radial connection while the emergency maintenance occurs on the BC-AB tie line. Please check again for exact start date/time and end date/time.

    Posted Date and Time: 09/09/2016 at 15:05 MPT


    MATL Update

    MATL line is back in service as of 13:07 MPT.

    Posted Date and Time: 09/03/2016 at 13:46 MPT


    MATL Outage Update

    Due to delays on the work being completed on the BC-AB tie line (1201L), MATL is expected to return to normal operation at approx. 09:00 MT time on Sept 3rd. MATL will remain in radial connection until work is completed on the BC-AB tie line. Please check again for more updates.

    Posted Date and Time: 09/02/2016 at 22:58 MPT


    MATL Outage Update

    Due to delays on the work being completed on the BC-AB tie line (1201L), MATL is expected to return to normal operation at approx. 20:00 MT time on Sept 2nd. MATL will remain in radial connection until work is completed on the BC-AB tie line. Please check again for more updates.

    Posted Date and Time: 09/02/2016 at 12:05 MPT


    MATL Radial Operation Notice

    MATL Line will be in Radial Operation at 14:30 PPT

    Posted Date and Time: 8/26/2016 at 1:45 MPT


    MATL Outage Update

    MATL line radial connection will be back in service in 17:00 MPT.

    Posted Time & Date: 8/25/2016 at 15:21 PM MPT


    MATL Outage Update

    MATL line radial connection will be back in service in 13:00 MPT.

    Posted Time & Date: 8/24/2016 at 12:41 PM MPT


    MATL Outage Update

    MATL line momentarily tripped between hours 3:00 pm MPT - 4:00 pm MPT. Now radial connection is back in service.

    Posted Time & Date: 8/21/2016 at 6:00 PM MPT


    MATL Outage Update

    From August 22nd to August 26th at 07:30 to 17:00, daily, the entire MATL Interconnected System will be out of service. MATL will return to radial operation during evenings. Switching will begin every day at 07:00 and switching is expected to be completed by 17:30 every day. This outage is required to accommodate line maintenance between Hay Lake and Great Falls. After August 26th at 17:30, MATL will return to radial connection continuously until September 2nd at 17:30

    Posted Time & Date: 8/03/2016 at 3:31 PM MPT


     

    MATL Line Update

    MATL is expected to be back in service at approximately 16:00 Mountain time. Once it is back in service, MATL will resume normal operation.

    Posted Date and Time: 7/21/2016 at 2:28 PM MPT

     


    MATL Outage Posting

    MATL is in radial connection now. MATL will offer hourly non-firm, hourly firm and daily firm products during radial operation at $2/MW,$2/MW and $48/MW respectively. A forced outage condition still exists and it is being investigated before getting MATL back to normal operations. Check back for more updates.

    Posted Time & Date: 7/19/2016 at 3:07 PM EDT


    MATL Outage Posting

    MATL is presently out of service. Check back for more updates.

    Posted Time & Date: 7/19/2016 at 9:10 AM MPT


    MATL Outage

    MATL has been forced out of service. Until further notice, MATL will be in radial connection. Enbridge is working to get MATL back in service. Check back for more updates.

    Posted Date & Time: 7/19/2016 at 7:32 AM MPT

     


    MATL OPP 803 – New Version

    A new version of MATL OPP 803 – TRMID has been posted. No changes were made to MATL’s TRM. Only the revision history was updated to clarify any confusion associated with the version number of MATL’s TRMID in effect. Please update your records and replace previous version.

    Posted Date and Time: 7/14/2016 at 17:03 PM EDT


    MATL Line is Online

    MATL line is back in service.

    Posted Date and Time: 7/03/2016 at 11:33 PM EDT


    MATL Outage Posting

    MATL is presently forced out of service because of an issue in the NorthWestern Montana system. There is estimated time of return. Please check again for further updates.

    Posted Date and Time: 7/03/2016 at 07:04 PM EDT


    MATL Outage Posting

    On June 28, 2016 the MATL Line was forced out of Service at 5:29 am and returned to service at 7:02 am.

    Posted Date & Time: 6/30/2016 at 9:55 AM MDT

     


    MATL OASIS Notice

    MATL has updated confidential floor prices in the Auction Module.

    Posted Date & Time: 05/18/2016 at 12:18 PM MDT



    MATL Urgent Outage

    MATL will be radially operated on April 14 thfrom11:00 to 14:00, switching starting at 9:30 to 11:00 and being switched backinto service from 14:00 to 14:30. This is to accommodate urgent maintenance onMATL. MATL will offer hourlynon-firm, hourly firm and daily firm products during radial operation at $2/MW,$2/MW and $48/MW respectively. After the maintenance is completed, then MATLwill be back to normal operation.

    Posted Date & Time: 04/13/2016 at 05:19 AM MDT



    MATLOASIS Notice

    MATL updated Business Practicesoriginally posted March 7, 2016 are effective as posted.

    Posted Date & Time: 03/21/2016 at 02:30 PM MDT



    MATL Line is Online

    Effective immediately MATL Line is back in Service.

    Posted Date & Time: 03/19/2016 at 10:40 AM MDT



    MATL Forced Outage

    Effective immediately MATL Line is out of Service and is operated under radial connection.

    Posted Date & Time: 03/18/2016 at 10:09 PM MDT


    MATL Scheduled 10 Rates

    MATL’s revised Schedule 10 rates, to be effective April 1, 2016, are now posted in the Transmission Rates section.

    Posted Date and Time: 3/15/2016 at 2:35 PM MST


    MATL OASIS Notice


    MATL has posted an updated Business Practice document and is accepting comments on this Business Practice for 14 days. The Business Practice is located in the"Pending Business Practices " under the "Business Practices, Waivers, and Exemptions " folder on the left hand side of this OASIS page. These revised Business Practices address provisions related to the disbursement of penalty revenues and transmission planning.  Separately, a document titled “Links Document” has been posted in the “Transmission Planning” folder.

    Posted Date and Time: 3/7/2016 at 9:42 MST


    MATL Update

    MATL line has returned to normal operation.

    Posted Date & Time: 2/18/2016 at 22:00 PM MST


    MATL Return to Service

    MATL is in the process of returning to service,it is expected to be back in service sometime during this evening (Feb 18 th).Updates will be provided as they are available.

    Posted Date& Time: 2/18/2016 at 2:23 PM MST


    MATL Auction Results

    MATL Auction results for June/July 2015 have been posted in the Auction Postings folder.

    Posted Date & Time: 2/15/2016 at 11:55 AM MST


    MATL Planned Outage

    MATL will be radially connected to the NWMT system from Aug 19 that 08:00 to Sep2 ndat 17:30 to accommodate planned annual maintenance.  MATL will offer hourly non-firm, hourly firm and daily firm products during radial operation at $2/MW, $2/MW and $48/MW respectively. Regular scheduled auctions during this time will continue. After the maintenance is completed, then MATL will be back to normal operation.

    Posted Date & Time: 1/28/2016 at 8:00 AM MST


    MATL Radial Operation

    MATL will beoperated radially starting on February 16th at 08:00 until February 19th at16:00 continuously. Switching will begin approximately 30 minutes prior to thestart time and switching will be completed approximately 30 minutes after theend time. This outage is to accommodate emergency repairs on the BC-AB tieline. MATL will offer hourly non-firm, hourly firm and daily firm productsduring radial operation at $2/MW, $2/MW and $48/MW respectively. Regularscheduled auctions during this time will continue. After the emergency repairsare completed, then MATL will be back to normal operation.

    PostedDate & Time: 1/6/2016 at 9:20 AM MST


    MATL Outage Update

    The emergency repair on the BC-Alberta tie line has been completed. MATL line has returned to normal operations, effective immediately.

    Posted Date & Time: 12/19/2015 at 6:15 PM MST

     


    MATL Radial Operation

    MATL will be inradial operation on Dec 19 thfrom 08:00-16:00 and on Dec 20 thfrom 08:00-16:00. Switching will occur approximately an hour before the outagestart time. This outage is to accommodate emergency repair on the BC-Albertatie line. MATL will only offerhourly non-firm, hourly firm and daily firm products during radial operation at$2/MW, $2/MW and $48/MW respectively. Outside of these times, MATL will be backto normal operation.

    Posted Date & Time: 12/17/2015 at 2:25 PM MST

     


    MATL Forced Outage:

    MATL will take a momentary outage between 120S and Hay Lake to address a reliability issue. During the momentary outage, MATL will be radially connected to the NWMT system. Afterwards, MATL will resume normal operation.

    Posted Date &Time: 12/10/2015 at 03:34 PM MST


    MATL OASIS Notice

    MATL is back in service and has resumed normal operation.

    Posted Date &Time: 12/08/2015 at 05:13 PM MST


    MATL Forced Outage

    A forced outage occurred at HE 13. The MATL line is in the process of re-energizing.

    Posted Date &Time: 12/08/2015 at 03:13 PM MDT


    MATL Forced Outage Update

    MATL is back in service, and it has resumed normal operation.

    Posted Date &Time: 12/04/2015 at 09:19 AM MDT


    MATL Forced Outage

    The MATL interconnected system was forced out of service moments ago. Enbridge is in the process of determining the cause. Updates will be provided as they become available.

    Posted Date &Time: 12/04/2015 at 08:53 AM MDT


    MATL Planned Outage - Update

    MATL's planned outage on Dec 15th from 08:00-16:30 has been modified. MATL will no longer be radially connected to the NWMT system. Instead, the entire MATL interconnected system will be out of service, from MATL 120S to Great Falls, to accommodate maintenance at the Great Falls substation.

    Posted Date &Time: 12/02/2015 at 09:00 AM MDT


    MATL Normal Operation Notice

    Effective immediately, MATL line is back to normal operation.

    Posted Date &Time: 11/05/2015 at 04:00 PM MDT


    MATL OP 303

    A new version of MATL OPP 303-Facility Interconnection Requirements, version 2.0, has been posted to the OASIS site. The new version will be effective on November 12th, 2015.

    Posted Date &Time: 10/29/2015 at 10:37 AM MDT


    MATL Service Update

    MATL is now in radial connection with radial service offered. While the outage continues and the line is in radial connection, MATL will only offer hourly non-firm, hourly firm and daily firm products during radial operation at $2/MW, $2/MW and $48/MW respectively. The regularly scheduled auction that begins at 12:00 PPT today for service between November 1, 00:00 - November 4, 00:00, will continue as scheduled.

    Posted Date &Time: 10/29/2015 at 9:00 AM MDT


    MATL forced outage

    MATL is presently out of service due to a forced outage.It is uncertain when it will return to normal operation. Please check back formore information.

    Posted Date &Time: 10/29/2015 at 6:55 AM MDT

     


    MATL Planned Outage

    MATL has planned outage between 120S MATL and Hay Lake substations scheduled on December 15th from 08:00-16:30. During this time, MATL will be radially connected to the NWMT system. MATL will only offer hourly non-firm, hourly firm and daily firm products during radial operation at $2/MW, $2/MW and $48/MW respectively. MATL will return to normal operation after 16:30 on December 15th.

    Posted Date &Time: 10/28/2015 at 11:53 AM MDT


    MATL Normal Operation Notice

    Effective immediately, MATL line is back to normal operation.

    Posted Date &Time: 10/18/2015 at 01:45 PM MDT


    MATL Radial Operation

    MATL was recently placed in radial configuration due to forced conditions. It will continue to be in radial operation until further notice. MATL only offers hourly non-firm, hourly firm and daily firm products during radial operation at $2/MW, $2/MW and $48/MW respectively.

    Posted Date &Time: 10/18/2015 at 08:39 AM MDT


    MATLOASIS Notice

    MATL updated Business Practices originally posted September 17, 2015 are effective as posted

    Posted Date &Time: 10/01/2015 at 09:00 AM MDT


    MATLOASIS Notice

    MATL has posted an updated Business Practice document and is accepting comments on this Business Practice for 14 days. The Business Practice is located in the "Pending Business Practices" under the "Business Practices, Waivers, and Exemptions" folder on the left hand side of this OASIS page. These revised Business Practices address provisions related to Timing Requirements for Reservation Requests and clarification of the Monthly Service product

    Posted Date &Time: 09/17/2015 at 3:34 PM MDT


    PlanningAdvisory Group Meeting: October 1, 2015 at 1 pm MT

    All interestedparties and stakeholders are invited to attend MATL's inaugural PlanningAdvisory Group meeting. 

    The meeting willbe an opportunity for members to provide input regarding study development,study results, and review the draft transmission plan.  Furtherinformation can be found in MATL's AttachmentK.  

    Interestedparties may attend the meeting in-person or via tele-conference (detailsbelow).  To ensure sufficient facilities and to receive regular updatesregarding dates, agenda, and location, please RSVP to michael.manarovici@enbridge.comand travis.allen@enbridge.com. Please indicate if you plan to attend in-person or by phone. Additionalinformation will be available and updated on MATL's OASIS website.

     

    In-Person Meeting Location:

    Enbridge Inc.

    3000, 425 - 1st Street S.W.

    Calgary, Alberta

    T2P 3L8

    Room: 27M1 - on the 27 thfloor

    Posted Date &Time: 8/2/2015 at 3:10 PM MDT


    MATLOPP 811

    A new version ofMATL OPP 811 has been posted to make a few minor corrections. The new versionis effective on July 28th, 2015.

    Posted Date &Time: 07/29/2015 at 7:00 AM MDT


    MATL Normal Operation

    Effective Immediately the MATL line is back to normal operation.

    Posted Date& Time: 7/26/2015 at 2:30 PM MDT


    MATL Radial Connection Notice

    The MATL line will be operating radially effective immediately due to an issue in the northern section of the MATL line. At this time, the return date to normal operation is unknown. Further details will be updated on the OASIS.

    During the MATL radial operation, the MATL Auction process will be suspended until further notice.

    During the MATL radial operation, hourly non-firm,hourly firm, and daily firm are available to purchase at $2.00/MW-hr (hourly non-firm and hourly firm) and $48.00/MW-Day (Daily Firm).

    Posted Date& Time: 7/25/2015 at 6:40 AM MDT


    MATLUpdate

    The Rim Rock Wind farm will be doingsome testing between July 6th and July 18th. The MATLseries capacitors will be switched in and out of service during the testing forshort durations of time. There is no exact start/stop time for each test. Noincremental TTC will be available when the series capacitors are in service.MATL will continue normal operations during the testing.

    Posted Date& Time: 6/23/2015 at 7:00 AM MDT


    MATL Business Practice Posting Notice

    MATL posted updatedBusiness Practices effective March 31, 2015.

    Posted Date & Time: 6/18/2015 10:30 AM MDT

     


    MATL Auction Testing Notice

    Please note that there is a potential for auction testing on the production system by OATI (software vendor) for the remainder of today and tomorrow (6/17/2015). All testing will be concluded prior to 00:00 PDT Thursday 6/18; any test TSRs generated will be annulled.

    PostedDate & Time: 6/16/2015 at 3:40 PM MDT


    MATL Auction Status Update

    The MATL Auction Module goes live starting Thursday June 18th HE01 PPT with the opening of the first Weekly Frequency Auction. Weekly Frequency Auctions will sell Balance of Calendar Year, Prompt Quarter, and Monthly products. The first Daily Frequency Auction will open June 18th HE13 PPT. Daily Frequency Auctions will sell Daily, Heavy Load, and Light Load products. For additional details on products, timing, and participation, see slide presentations and the associated FERC filing in the "Tariff/MATL Auction Module" folder. For real-time support with the Auction Module, contact TranServ Support at Support@Transervinternational.net or (763) 205-7099.

    PostedDate & Time: 6/16/2015 at 3:15 PM MDT


    MATL OPP 811

    A new versionof MATL OPP 811 has been posted to make a few minor corrections. It is posted under the folder ATC Information->Transfer Capability. The newversion is effective on May 15th, 2015

    PostedDate & Time: 5/4/2015 at 6:35 AM MDT


    MATLAuction Testing

    As a reminder, the MATL Auction Testing environment is available for customers registered with OATI at https://demo.oasis.oati.com/. Contact OATI Support to register. To facilitate robust auctions during the testing phase, MATL encourages customers to focus testing on the Daily Auctions opening on Mondays and Wednesdays, and each Weekly Auction as a competitive environments.

    Posted Date& Time: 4/29/2015 at 9:11 AM MDT


    MATLForced Out Of Service

    MATL will be delayed in returning toservice due to a forced outage condition. MATL will not return to service onApril 25th at 18:00 as originally planned. MATL is expected toreturn to service on Monday April 27th at 13:00. MATL will remainradially connected to the NWMT system until April 27th at 13:00 andafter this point in time, MATL will resume normal operations.

    Posted Date& Time: 4/24/2015 at 8:25 AM MDT


    MATL Outage Extension

    The plannedMATL outage today (April 16th, 2015) will be extended from 18:00 to21:00 to facilitate the completion of the maintenance work.

    PostedDate & Time: April 16, 2015 at 8:07 AM MDT


    MATL OASIS Notice

    MATL will announce tomorrow the commencement of sales via the Auction Module beginning June 18, 2015. See March 30, 2015 posting for webinar registration details.

    PostedDate & Time: 04/15/2015 at 03:37 PM MDT


    MATL OASIS Notice

    MATL updated Business Practices originally posted March 31, 2015 are effective as posted.

    PostedDate & Time: 04/14/2015 at 04:00 PM MDT


    MATL Transmission Purchases and Products Update

    MATL will be offering transmission from POR/POD MATL.WWA to POR/POD MATL.NWMT starting April 10th, 2015 at 09:00 MST. This offering will always be displayed for purchase; however, market participants will only be able to purchase this product during times when MATL is radially connected to the NWMT system. When MATL is in normal operation (Path 83 fully connected from 120S MATL to Great Falls), market participants may only purchase transmission across the entire MATL line. If a market participant mistakenly purchases the radial product when MATL is in normal operation, then they will receive an error message. Start date/time and end date/time of when MATL will be radially connected to the NWMT system will be posted on the MATL OASIS website.

    PostedDate & Time: 04/09/2015 at 10:54 MDT


    MATL OPP 811

    A new version of MATL OPP 811 has been posted to make a minor correction. The new version is effective immediately.

    PostedDate & Time: 04/07/2015 at 03:29 MDT


    MATL Outage Notification

    MATL will be out of service from 120S MATL to Hay Lake and radially connected to the NWMT system from Sunday April 12th, 2015 at 07:30 to Saturday April 25th, 2015 at 18:00 MST continuously. Within this time period, MATL will be completely out of service, from 120S MATL to Great Falls, from Monday April 13th, 2015 at 07:00 to Thursday April 16th, 2015 at 18:00 MST returned to radially connected to the NWMT system daily in the evenings. MATL will return to normal operation after Saturday April 25th, 2015 at 18:00 MST.

    PostedDate & Time: 04/06/2015 at 03:25 MDT


    MATL Outage Notice

    MATL Test of New Operating ConfigurationMATL will be testing its new operating configuration-radially connected to the NWMT system-on April 10th from 9-11am MST. During this time period, Path 83 will be out of service because MATL will be out of service between 120S MATL and Hay Lake. MATL will still be in service from Hay Lake to Great Falls and transmission purchases and scheduling should occur accordingly during this test/outage of Path 83. After the test period, MATL will resume normal operation.

    PostedDate & Time: 04/06/2015 at 02:51 MDT


    MATL New ATCID

    A new version of MATL OPP 804 - ATCID has been posted to accommodate MATL radially connected to the NWMT system, which is a new operating configuration for MATL. The new version is effective immediately.

    PostedDate & Time: 04/02/2015 at 04:07 PM MDT


    MATL New Operating Configuration

    A new version of MATL OPP 811 has been posted to accommodate MATL radially connected to the NWMT system, which is a new operating configuration for MATL. The new version is effective immediately.

    PostedDate & Time: 04/02/2015 at 02:32 PM MDT


    MATL OASIS Notice

    MATL has posted an updated Business Practice document and is accepting comments on this Business Practice for 14 days. The Business Practice is located in the "Pending Business Practices " under the "Business Practices, Waivers, and Exemptions " folder on the left hand side of this OASIS page. These revised Business Practices address provisions related to Non-Firm Service, Penalty Assessment and Distribution, Curtailment Procedures and make minor edits.

    PostedDate & Time: 3/31/2015 at 05:28 PM MDT


    MATLAuction Update Notice

    On April 16, 2015 from 1 pm -3 pm CT, MATL will host an online webinar for its stakeholders and any interested parties with details regarding its short-term capacity Auction Module roll-out. Pre-registration for participation in the webinar is required. To RSVP and receive the call-in information for the webinar, please send an email to travis.allen@enbridge.com indicating your name and e-mail by Tuesday, April 14, 2015 to receive a calendar invite to the meeting.

    PostedDate & Time: 3/30/2015 at 10:10 AM MDT


    2015 Schedule 10 Rates Notice

    MATL's revised Schedule 10 rates, to be effectiveApril 1, 2015, are now posted in the Transmission Rates section.

    Posted Date & Time:03/05/2015 at 9:18 AM MST


    MATLPath 83 Outage Notice

    Northwestern Energy (NWMT) has scheduled an URGENT outage to perform maintenance at the Great Falls substation. MATL Path 83 will be out of service commencing February 6th at 09:00 Mountain Time and returning to service on February 6th, 2015 at 13:00 Mountain Time.

    Postedon February 05, 2015 @ 5:08 PM MST


    MATLPath 83 Outage Notice

    Northwestern Energy (NWMT) has scheduled an URGENT outage to perform maintenance at the Great Falls substation. MATL Path 83 will be out of service commencing October 23, 2014 at 09:10 Mountain Time and returning to service on Oct 23, 2014 at 10:00 Mountain Time

    Postedon October 22, 2014 @ 1:48 PM MDT


    MATLPath 83 Outage Notice

    MATLstaff has completed the